是的，据我所知是这样。

Yes, as far as I know.

Source: Tatoeba

Sentence Composition

1 是的 shìde
  1. yes, that's right
  2. variant of 似的 shìde
2 据我所知 jùwǒsuǒzhī
  1. as far as I know
  2. to the best of my knowledge
=3 是 shì
  1. to be (followed by substantives only)
  2. correct; right; true
  3. (respectful acknowledgement of a command) very well
  4. (adverb for emphatic assertion)
=3 是 shì variant of 是 shì
4 这样 zhèyàng
  1. this kind of
  2. so
  3. this way
  4. like this
  5. such